Question

Unit test force and work

Answer 1

To write a unit test for calculating force and work, we can create two separate test methods in a testing class. For example, in Java with JUnit 5:

```java
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;

public class ForceWorkCalculatorTest {

@Test
public void calculateForceTest() {
double mass = 50;
double acceleration = 10;

double expectedForce = mass * acceleration;
double calculatedForce = ForceWorkCalculator.calculateForce(mass, acceleration);

assertEquals(expectedForce, calculatedForce, 0.01);
}

@Test
public void calculateWorkTest() {
double force = 500;
double distance = 20;

double expectedWork = force * distance;
double calculatedWork = ForceWorkCalculator.calculateWork(force, distance);

assertEquals(expectedWork, calculatedWork, 0.01);
}
}
```

In this test class, we have two test methods: `calculateForceTest` and `calculateWorkTest`. Each method sets up input values, calculates the expected result, calls the corresponding method in the `ForceWorkCalculator` class, and asserts that the calculated result matches the expected result with a specified delta value (`0.01` in this case for double precision).

Make sure to replace `ForceWorkCalculator` with the actual class name that contains the methods to calculate force and work. This testing approach helps ensure that the force and work calculations are accurate and working as expected.